Methode squareEauch geändert

ArrayManipulation.java

@@ -17,13 +17,14 @@ public class ArrayManipulation {
        
         int[] arr = {1,2,3,4,5};
         System.out.println(Arrays.toString(reverseArray(arr)));
+        System.out.println(Arrays.toString(reverseArray(arr)));
         System.out.println("Hello");
     }
+    // quadriert werte im array
     public static int[] squareEach(int[] arr){
-        int[] back = new int[arr.length];
         for(int i = 0; i < arr.length; i++){
-            back[i] = arr[i] * arr[i];
+            arr[i] = arr[i] * arr[i];
         }
-        return back;
+        return arr;
     }
 }